the act of taking revenge (harming someone in retaliation for something harmful that they have done) especially in the next life; "Vengeance is mine; I will repay, saith the Lord"--Romans 12:19; "For vengeance I would do nothing. This nation is too great to look for mere revenge"--James Garfield; "he swore vengeance on the man who betrayed him"; "the swiftness of divine retribution"
with diligence; in a diligent manner; "we may diligently observe the Lord's supper on the first day of the week, diligently preach the gospel, or minister to the saint"
in a powerful manner; "the federal government replaced the powerfully pro-settler Sir Godfrey Huggins with the even tougher and more determined ex-trade unionist"
in a serious manner; "talking earnestly with his son"; "she started studying snakes in earnest"; "a play dealing seriously with the question of divorce"